Full Stack Engineer Jobs in California
Full Stack Engineer jobs in California are among the most active in the country, concentrated heavily in software products, fintech, enterprise SaaS, and consumer technology across experience levels from junior developer through principal engineer. The largest hiring metros are San Francisco, Los Angeles, and San Diego, where companies like Google, Salesforce, and Apple maintain major engineering operations and hire full stack engineers continuously. The most in-demand specialties right now are React and Node.js development, cloud-native architecture, and API integration work. Find a role that fits below and apply directly.
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Senior Full-Stack Engineer (Backend-Focused)
Location: San Francisco, CA
Work Model: Hybrid (Onsite Tue, Wed, Thu)
Duration: 6 Months Contract
The Tech Stack
- Backend Core: Python (FastAPI, Flask), Node.js, Microservices, MCP (Model Context Protocol).
- Frontend Core: React, TypeScript
- AI & LLM Tools: Cursor, GitHub Copilot, LangGraph, CrewAI, LangSmith/Opik, Lovable, v0.dev.
- State & Data: Redux + Sagas, TanStack Query, Zustand, Context API, WebSockets, gRPC-web, GraphQL, Redis, SQL/NoSQL.
- Design & UI: BaseUI design system, Styletron (CSS-in-JS), Figma, Tailwind CSS.
Overview
The Financial Risk Management (FRM) team builds real-time monitoring, data visualization, and AI-driven automation systems to ensure platform integrity. We are seeking a Senior Full-Stack Engineer (backend-leaning) to architect scalable data systems, microservices, and AI-powered workflows while also delivering high-quality frontend experiences. You will design end-to-end systems spanning databases, APIs, AI integrations (LLMs/agents), and React-based dashboards handling real-time risk data with low latency.
Key Responsibilities
- System Design & Backend Architecture: Build scalable, low-latency systems for real-time risk data; design SQL/NoSQL schemas and data pipelines.
- APIs & Microservices: Develop REST, GraphQL, WebSockets, and gRPC services; implement microservices and MCP-based AI integrations.
- AI/LLM Integration: Deploy production LLM systems (OpenAI, Anthropic); build agent workflows using LangGraph, CrewAI, function calling, and tool-use patterns.
- Frontend Delivery: Convert Figma/prototypes into React + TypeScript apps; manage state using Redux/Saga or Zustand; use TanStack Query for server state.
- Performance & Observability: Optimize real-time systems; implement AI observability tools (LangSmith, Opik), retry logic, and hallucination detection.
- AI-Driven Development: Use tools like Cursor, GitHub Copilot, and Codex to accelerate development and refactoring.
Required Qualifications
- 7+ years of software engineering experience in scalable backend and system design, with full-stack exposure.
- Strong expertise in Python (FastAPI/Flask) and Node.js.
- Advanced frontend skills in React + TypeScript.
- Deep experience with REST, WebSockets, gRPC, and real-time systems.
- Strong understanding of caching and state management (Redis, TanStack Query, Zustand, Redux).
- Hands-on experience with LLM tooling (LangChain, LlamaIndex, DSPy, Smolagents) and prompt engineering.
- Experience using AI-powered dev tools (Cursor, Copilot, etc.).
Nice to Have
- Background in anomaly detection, compliance systems, or workflow automation (Celery, Temporal, Cadence).
- Familiarity with rapid prototyping tools (v0.dev, Lovable).
- Strong product mindset with focus on usability and iterative delivery.
Senior Full-Stack Engineer (Backend-Focused)
Location: San Francisco, CA
Work Model: Hybrid (Onsite Tue, Wed, Thu)
Duration: 6 Months Contract
The Tech Stack
- Backend Core: Python (FastAPI, Flask), Node.js, Microservices, MCP (Model Context Protocol).
- Frontend Core: React, TypeScript
- AI & LLM Tools: Cursor, GitHub Copilot, LangGraph, CrewAI, LangSmith/Opik, Lovable, v0.dev.
- State & Data: Redux + Sagas, TanStack Query, Zustand, Context API, WebSockets, gRPC-web, GraphQL, Redis, SQL/NoSQL.
- Design & UI: BaseUI design system, Styletron (CSS-in-JS), Figma, Tailwind CSS.
Overview
The Financial Risk Management (FRM) team builds real-time monitoring, data visualization, and AI-driven automation systems to ensure platform integrity. We are seeking a Senior Full-Stack Engineer (backend-leaning) to architect scalable data systems, microservices, and AI-powered workflows while also delivering high-quality frontend experiences. You will design end-to-end systems spanning databases, APIs, AI integrations (LLMs/agents), and React-based dashboards handling real-time risk data with low latency.
Key Responsibilities
- System Design & Backend Architecture: Build scalable, low-latency systems for real-time risk data; design SQL/NoSQL schemas and data pipelines.
- APIs & Microservices: Develop REST, GraphQL, WebSockets, and gRPC services; implement microservices and MCP-based AI integrations.
- AI/LLM Integration: Deploy production LLM systems (OpenAI, Anthropic); build agent workflows using LangGraph, CrewAI, function calling, and tool-use patterns.
- Frontend Delivery: Convert Figma/prototypes into React + TypeScript apps; manage state using Redux/Saga or Zustand; use TanStack Query for server state.
- Performance & Observability: Optimize real-time systems; implement AI observability tools (LangSmith, Opik), retry logic, and hallucination detection.
- AI-Driven Development: Use tools like Cursor, GitHub Copilot, and Codex to accelerate development and refactoring.
Required Qualifications
- 7+ years of software engineering experience in scalable backend and system design, with full-stack exposure.
- Strong expertise in Python (FastAPI/Flask) and Node.js.
- Advanced frontend skills in React + TypeScript.
- Deep experience with REST, WebSockets, gRPC, and real-time systems.
- Strong understanding of caching and state management (Redis, TanStack Query, Zustand, Redux).
- Hands-on experience with LLM tooling (LangChain, LlamaIndex, DSPy, Smolagents) and prompt engineering.
- Experience using AI-powered dev tools (Cursor, Copilot, etc.).
Nice to Have
- Background in anomaly detection, compliance systems, or workflow automation (Celery, Temporal, Cadence).
- Familiarity with rapid prototyping tools (v0.dev, Lovable).
- Strong product mindset with focus on usability and iterative delivery.
See All 473+ Full Stack Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Full Stack Engineer JobsFull Stack Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Full Stack Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- Commure24
- Rippling22
- Apple21
- OpenAI15
- Google13
Top Industries Hiring
- Technology & Software297
- Artificial Intelligence28
- Consulting & Professional Services28
- Science & Research28
- Electronics & Hardware25
What California Employers Look For
The qualifications that appear most often in full stack engineer jobs across California.
- Bachelor's degree in computer science, software engineering, or a closely related field
- Proficiency in at least one front-end framework such as React, Angular, or Vue
- Solid back-end experience with Node.js, Python, Java, or Ruby on Rails
- Hands-on experience with relational and non-relational databases including PostgreSQL and MongoDB
- Familiarity with cloud platforms such as AWS, Google Cloud, or Azure and CI/CD pipelines
- Demonstrated ability to ship production code in an Agile or Scrum team environment
Full Stack Engineer Jobs in California: Frequently Asked Questions
How do you become a full stack engineer in California?
Full stack engineering has no state-issued license in California, so the path runs through education and demonstrated skill. Most California employers expect a bachelor's degree in computer science or a related field, though a strong portfolio from an accredited coding bootcamp or self-directed work is accepted at many companies. Building projects in React, Node.js, and a cloud platform, then contributing to open-source work or internships at California startups or tech firms, is the most direct route to your first role.
How much do full stack engineers make in California?
Full stack engineers in California earn a median of about $174,410 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $105,060 for the lowest 10% to over $272,670 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire full stack engineers in California?
Employers hiring full stack engineers in California right now include Commure, Rippling, and Apple, based on current listings on Migrate Mate as of June 2026. California's concentration of SaaS companies, consumer tech firms, and enterprise software headquarters means full stack engineering roles turn over and expand here more consistently than in most other states.
Which California cities have the most full stack engineer jobs?
San Francisco, Mountain View, and San Mateo have the most full stack engineer openings in California. San Francisco and the broader Bay Area lead because of the density of technology headquarters and venture-backed startups there, while Los Angeles draws volume from its growing media tech, e-commerce, and gaming sectors, and San Diego adds openings from defense technology and biotech companies that need full stack engineers for internal platforms.
Are there remote full stack engineer jobs in California?
Yes, and more than most fields. About 30% of full stack engineer openings tied to California are remote or hybrid as of June 2026, reflecting how naturally the role translates to distributed work. The parts of the job most likely to stay fully remote are front-end feature work and API development, while roles requiring close collaboration with product or design teams more often follow a hybrid schedule.
How can I get hired as a full stack engineer in California with little or no experience?
The most realistic entry path is an associate or junior engineer role, which large California technology companies including those in the Bay Area and Los Angeles regularly post for candidates with a portfolio but no professional history. Programs like Google's STEP internship and Salesforce's Futureforce new-grad track are designed for early-career candidates. Adjacent roles such as QA engineer, front-end developer, or technical support engineer at a California SaaS company are common lateral moves, and completing a relevant project portfolio or contributing to open-source repositories gives applicants a measurable edge.
Where can I find and apply to full stack engineer jobs in California?
You can find and apply to full stack engineer jobs in California on Migrate Mate, which lists current California openings across industries and experience levels. Find the roles that fit your background and apply directly from the listing.
See All 473+ Full Stack Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Full Stack Engineer Jobs